Okay, the first time I watched Voyager, I never noticed this so much, I was only a teenager when I watched it and never really questioned what I saw. But I actually now I rethink it, that relationship was pretty unhealthy, and I do not mean the obvious age gap (Kes was an adult by her own culture, a young woman, and Neelix appears to be approaching middle age if I am reading his character correctly.) What is now bugging me is his extreme Jealousy and possessiveness, to the point of brawling with Tom Paris in the galley because he looks at her and gives her shuttle flying lessons in the holodeck. That isn't normal or healthy. What bugs me most is not that this happened, but that none of the other characters pulled him up about this behaviour. If I saw a friend whose boyfriend was acting like that, I'd be advising her to dump him! In general I like Neelix as a character, but this is a pretty big flaw I didn't notice until a friend pointed it out, and now I can't stop seeing it.